40585691 has 8 divisors (see below), whose sum is σ = 43203600. Its totient is φ = 38016000.

The previous prime is 40585669. The next prime is 40585711. The reversal of 40585691 is 19658504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40585691 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40585621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10310 + ... + 13691.

It is an arithmetic number, because the mean of its divisors is an integer number (5400450).

Almost surely, 2^40585691 is an apocalyptic number.

40585691 is a deficient number, since it is larger than the sum of its proper divisors (2617909).

40585691 is a wasteful number, since it uses less digits than its factorization.

40585691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24109.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 40585691 is about 6370.6899940273. The cubic root of 40585691 is about 343.6563038960.

The spelling of 40585691 in words is "forty million, five hundred eighty-five thousand, six hundred ninety-one".